0034-7744
0034-7744
S0034-77442020000100023
10.15517/rbt.v68i1.34913
Colombia
Colombia
00
03
2020
00
03
2020
68
1
23
39
[
2017
73
662-75
]
[
2009
17
1
1
28-36
]
[
2006
]
[
2000
2
]
[
1998
49
1-22
]
[
2006
38
3
3
470-86
]
[
2002
30
2
2
294-310
]
[
2009
57
401-19
]
[
2008
]
[
2013
14
2
2
235-72
]
[
2014
]
[
2014
14
3-27
]
[
2019
41
1
1
108-23
]
[
2005
126
4
4
499-511
]
[
2001
148
185-206
]
[
1986
]
[
2003
26
4
4
514-20
]
[
1981
6
6
6
21-7
]
[
1999
]
[
1986
5
]
[
2015
103
5
5
1276-90
]
[
2014
177-202
]
[
2004
]
[
2013
1
86-96
]
[
2012
1
]
[
2015
112
26
26
8013-8
]
[
2000
10
6
6
1706-21
]
[
2018
]
[
2007
1 & 2
]
[
2003
17
1827-39
]
[
2006
4
3
3
319-28
]
[
RStudio
2017
]
[
2018
21
2
2
519-29
]
[
2016
57
2
2
313-32
]
[
1991
5
18-32
]
[
2004
101
18042-7
]
[
2002
99
1
1
263-7
]
[
1996
]
[
2008
17
8
8
1-16
]
[
2010
47-60
]
[
2012
20
187-95
]